Stationary bikes typically have the most accurate readouts, followed by stair climbers, treadmills, and ellipticals.

One debunked myth — the idea that red wine is good for your heart. Turns out, just because it's made of fruit doesn't mean it's good for you.

"One of the biggest myths that I get from my clients is that I need to skip meals and starve in order to lose weight. It's not true."

The high-fat, low-carb diet is a drastic change from the diet that the USDA recommends for Americans.

Fermented foods like yogurt, kefir, sauerkraut, and kombucha can balance the bacteria in your gut, which produces "feel-good" brain chemicals.

Bananas can be good for weight loss because they contain lots of fiber, which slows digestion and helps you feel full.

They invest in themselves in the morning by doing things like meditating and brainstorming.

"Instead of making big, year-long New Year's resolutions (and inevitably failing to keep them), I give myself theme months throughout the year to focus on specific goals."